Download Mumbai University (MU) MCA 2019 May 4th Sem 55003 Network Security Question Paper

Download MU-(University of Mumbai or University of Bombay) MCA (Master of Computer Application) 2019 May 4th Sem 55003 Network Security Previous Question Paper

0C2D777098F63A6EE2ADA0FE581AB150
Q. P. Code: 37512
Time: 3hrs Total Marks: 100
Note: 1. Question No. 1 is compulsory
2. Attempt any four out of remaining six questions
3. Illustrate answers with sketches wherever required.
Q1. a. What is cryptography? Compare Symmetric Key Cryptography and
Asymmetric Key Cryptography.
[10]
b. Explain in detail PGP. [10]
Q2. a Explain Diffie Hellman key exchange protocol with a suitable example.
How can this mechanism be foiled by an attacker?
[10]
b. Explain different algorithm modes. [10]
Q3. a. Define network security? What are the services and mechanisms provided
by network security?
[10]
b. Give Comparison of MD5 and SHA-1. [10]
Q4. a. What is Ticket Lifetime? Distinguish between Renewable Tickets and
Postdated Tickets.
[10]
b. Explain mutual authentication and reflection attack with the help of
diagram. Suggest two methods to fix it.
[10]
Q5. a. Explain SSL Architecture. [10]
b. What are the various types of Malware? Explain in detail [10]
Q6. a. Explain working of Kerberos. How is Kerberos V5 different from V4? [10]
b. Explain the security mechanism used on the electronic transactions [10]
Q7. Write short notes on any four [20]
a. Certificate Revocation.
b. Digital Signature
c. IPSec
d. Biometrics
e. El-Gamal signatures

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Paper / Subject Code: 55003 / Network Security
0C2D777098F63A6EE2ADA0FE581AB150
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